@misc{indiciae6391331c8c50,
  title = {End-tidal CO2 detection.},
  author = {M B Heller and D M Yealy and D C Seaberg and B A MacLeod and J Gerard},
  year = {1989},
  doi = {10.1016/s0196-0644(89)80291-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/2511791/},
  note = {Source identifier: 2511791}
}